<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16"><g fill="context-fill"><rect width="6" height="6" x="1" y="1" rx="1" ry="1"/><rect width="6" height="6" x="9" y="1" rx="1" ry="1"/><rect width="6" height="6" x="1" y="9" rx="1" ry="1"/><rect width="6" height="6" x="9" y="9" rx="1" ry="1"/></g></svg>